Bykvist, K., & Olson, J. (2009). EXPRESSIVISM AND MORAL CERTITUDE.
芝加哥风格引文Bykvist, K., 与 J. Olson. EXPRESSIVISM AND MORAL CERTITUDE. 2009.
MLA引文Bykvist, K., 与 J. Olson. EXPRESSIVISM AND MORAL CERTITUDE. 2009.
警告：这些引文格式不一定是100％准确.
APA引文